CN2818120Y

CN2818120Y - Flexible mold wall adjuster of jet formling apparatus

Info

Publication number: CN2818120Y
Application number: CN 200520103680
Authority: CN
Inventors: 王瑞香
Original assignee: HUAQIN MACHINERY PLANT CO Ltd
Current assignee: HUAQIN MACHINERY PLANT CO Ltd
Priority date: 2005-08-11
Filing date: 2005-08-11
Publication date: 2006-09-20
Anticipated expiration: 2015-08-11

Abstract

The utility model relates to a movable mold wall adjusting device of an ejection forming machine. The bottom surface of a movable mold wall of an ejection forming machine is provided with an adjusting device. The adjusting device is provided with a slide seat which can slide on a guide rail of a machine table. The upper end surface of the slide seat is provided with a groove hole. The appropriate position of the slide seat is penetrated with an oil passage which is mutually communicated with the groove hole. A periphery ring of the groove hole of the slide seat is provided with an oil seal. A support column is arranged in the groove hole. The bottom end of the support column is provided with a containing chamber. The top end of the support column is supported to the bottom surface of the movable mold wall. Hydraulic oil can be injected in the oil passage. The hydraulic oil can maintain the alignment state of a lining for supporting the movable mold wall with the center of a slide rod. Air of the inner part of the groove hole can be pushed into the containing chamber of the support column when the hydraulic oil is injected simultaneously. The upper end part of the containing chamber forms a space which is filled with air. Therefore, the movable mold wall can keep the mutual alignment of the lining with the center of the slide rod in stop actuation by the air which is contained in the space.

Description

The movable die wall adjusting device of Jet forming machine

Technical field

The utility model refers to a kind of structure that increases its service life of Jet forming machine and practicality especially relevant for the movable die wall adjusting device of a kind of Jet forming machine.

Background technology

A large amount of uses of plastic products, with our everyone life, and even industrial production and business activity etc. are all closely bound up.

See also shown in Figure 1ly, be a kind of plastics ejaculator 1 of extensive use, this ejaculator 1 is provided with raw material heater 12 in board 11, makes raw material can heat melting and injects the processing of making ejection formation in the mould 13; This mould 13 is formed for feature die; be fixedly arranged on movable die wall 14 respectively and reach the fixedly inner face corresponding position of die wall 15; it is mobile on four slide bars 18 that the clamping apparatus of being made up of toggle before the die holder 16 of back or oil cylinder 17 promotes movable die wall 14, with die sinking or the locked mode that reaches mould 13.

From the said structure explanation as can be known, the slidably reciprocating of movable die wall 14 that is promoted by clamping apparatus 17 relies on four slide bars 18 fully, and slide bar 18 two ends are fixedly arranged on fixedly between die wall 15 and the back die holder 16 and are hanging shape, this activity die wall 14 itself just weighs several tons, add the load of mould 13 and clamping apparatus 17, be easy to cause the off-centring of this activity die wall 14, right especially when especially installing the mould 13 of various different sizes additional, can make a side of installing mould 13 slightly sagging, then its built-in lining 141 is easy to so is offset produce with the center line of slide bar 18 and contacts unusually and abrasion (as shown in Figure 2), lose due precision very soon, and can have a strong impact on the running that adds man-hour.

For this reason, as shown in Figure 3, group is provided with adjusting device 19 to adjust the level of its left and right directions at two ends, movable die wall 14 bottom; Be to make this adjusting device 19 set firmly by the bottom of fixing skewback 191 with movable die wall 14, make this fixedly skewback 19 and movable skewback 192 overlap joints again, and utilize the adjusting of a bolt 193, the adjustment of displacement before and after can making movable skewback 192 and fixedly skewback 191 producing, and the contacting of guide rail 111 of adjusting bottom surface that the one side can make 14 groups of movable die walls establish mould 13 can cooperation activity skewback 192 and board 11 thus made required level and just adjusted, make this activity die wall 14 can not make lining 141 axial centre produce skew because of the weight of mould 13, the axial centre that can meet slide bar 18 is with smooth mobile translation, reduce the loss that unusual contact caused of lining 141 and slide bar 18, can effectively increase service life;

So, design according to this, though can adjust movable mold wall 24 about, the front and back high and low position, make movable die wall 14 weight such as reason mould 13 not under inactive state, and cause the abrasion of 18 of its lining 141 and slide bars, but promote these activity die walls 14 on board 11 guide rails 111 back and forth during the start displacement in clamping apparatus 17, because of being subject to the restriction of board 11 guide rails 111 accuracies of manufacture own, guide rail 111 its surfaces are a little uneven whole shape, make activity die wall 14 on guide rail 111 during slippage, produce the situation of displacement up and down, cause the lining 141 of movable die wall 14 to be offset once again with slide bar 18 centers, therefore being offset alternate contacts abrasion with slide bar 18 and make lining 141.

Summary of the invention

The purpose of this utility model is to provide a kind of Jet forming machine movable die wall adjusting device, makes this activity die wall all keep its lining and slide bar center to align mutually between static start.

The purpose of this utility model is to realize like this, the movable die wall adjusting device of a kind of Jet forming machine, be to be provided with adjusting device in the movable die wall bottom surface of Jet forming machine, this adjusting device has can be for the slide that slides on the board guide rail, and mask is established slotted eye on this slide, run through oil circuit in this slide appropriate position again, and this oil circuit and slotted eye are interconnected, the slotted eye perisporium ring tool oil sealing established of this slide tool again, be provided with a support column in the slotted eye, the tool room is established in this support column bottom, described support column top stays on movable die wall bottom surface, in oil circuit, inject hydraulic oil again, with make this hydraulic oil keep can for the lining of support activity die wall and slide bar center to positive status, in the time of this hydraulic oil injection, also the air in the slotted eye is pushed in the room of support column, to form an air-saturated space in the room upper end, in view of the above, by space contained in this space, make this activity die wall between static start, all keep its lining and slide bar center to align mutually.

In the built-in piston that is provided with of support column institute tool room, and its periphery of this piston pastes mutually with the room wall and touches; Thus, so that the air in its room of this support column is done to distribute uniformly, more increase the stability of movable die wall start.

Establish the tool perforation in the slide appropriate position, this perforation bottom and oil circuit are connected, and establish the negative thread section in this perforation epimere portion tool again, and in the mid-body of rod that is provided with of perforation, this body of rod epimere portion forms male threaded section again, and institute's tool negative thread section screws togather mutually with boring a hole; According to this, must be by this body of rod of start, to adjust the pressure state of hydraulic oil.

Description of drawings

Fig. 1: the front view of known structure.

Fig. 2: the slide bar of known structure and lining fit schematic diagram.

Fig. 3: the adjusting device of known structure cuts open side figure.

Fig. 4: three-dimensional exploded view of the present utility model.

Fig. 5: the pseudosection of going up of the present utility model.

Fig. 6: side cutaway view of the present utility model.

Fig. 7: user mode figure one of the present utility model.

Fig. 8: user mode figure two of the present utility model.

Fig. 9: user mode figure three of the present utility model.

Figure 10: one embodiment cutaway view of the present utility model.

Figure 11: another embodiment cutaway view of the present utility model.

Drawing reference numeral:

1 ejaculator, 11 boards

112 out-of-flatnesses place of 111 guide rails

12 heaters, 13 moulds

14 movable die wall 141 linings

15 fixing die wall 16 back die holders

17 clamping apparatus, 18 slide bars

19 adjusting devices 191 are skewback fixedly

192 movable skewback 193 bolts

2 adjusting devices, 21 slides

211 slotted eyes, 212 oil circuits

213 perforation, 2131 negative thread sections

214 bodies of rod, 2141 male threaded section

22 support columns, 221 rooms

222 spaces, 23 oil sealings

24 pistons

The specific embodiment

At first, see also Fig. 4～shown in Figure 6, the utility model is to stand in movable die wall 14 below groups adjusting device 2 is arranged, this adjusting device 2 has the slide 21 that can slide on board 11 guide rails 111, and establish slotted eye 211 in these slide 21 upper end masks, run through oil circuit 212 in these slide 21 appropriate positions again, and make this oil circuit 212 be interconnected with slotted eye 211, the slotted eye 211 perisporium ring tool oil sealings 23 that make these slide 21 tools establish again, be provided with a support column 22 in the slotted eye 211, tool room 221 is established in these support column 22 bottoms, continues to make these support column 22 tops stay on movable die wall 14 bottom surfaces;

Design thus, when implementing to use, see also Fig. 7～shown in Figure 9, feed hydraulic oil in oil circuit 212, the slotted eye 211 of this hydraulic oil in injecting slide 21 promptly seals, so that remaining stable, the hydraulic fluid pressure of this injection can make support column 22 shore movable die wall 14 just, make activity die wall 14 its lining 141 centers and slide bar 18 centers align, and when this hydraulic oil injects slotted eye 211, also push the former air that is stored in the slotted eye 211 and establish in the room 221, to form an air-saturated space 222 in room 221 upper ends to stockpile in support column 22 tools; Thus, in clamping apparatus 17 promotion activity die walls 14, promptly driving the slide 21 that is connected with movable die wall 14 simultaneously moves back and forth on the guide rail 111 of board 11, when this movable die wall 14 and slide 21 are passed through guide rail 111 out-of-flatnesses place 112, movable die wall 14 is as buffering by the air compression of accumulating in the space, support column 22 rooms, 221 upper end 221 of shoring it, issuable vibrations when absorbing slide 23 and passing through guide rail 111 out-of-flatnesses place 112, so that these vibrations only limit to slide 21, the movable die wall 14 of unlikely interlock produces because of the out-of-flatness of this guide rail 111, following displacement, in view of the above, really make lining 141 centers of this activity die wall 14 and slide bar 18 centers keep to positive status.

Please consult shown in Figure 10ly again, be the utility model one embodiment, be provided with a piston 24, and make these piston 24 its peripheries paste mutually touching with room 221 walls in 22 tool rooms of support column 221 are built-in; Thus, when hydraulic oil injects support column 22 its rooms 221, this hydraulic oil is that this piston 24 of pushing tow moves toward room 221 upper ends, simultaneously, this former air that is stored in the room 221 is pushed by piston 24, is compressed in piston 24 and room 221 upper ends and stockpile, and because of this piston 24 and room 221 are all solid-state entity, so the air of this compression is uniformly distributed between this piston 24 and room 221 upper ends; In view of the above, more increase the stability of movable die wall 14 starts.

Please consult shown in Figure 11 in addition again, be another embodiment of the present utility model, establish tool perforation 213 in slide 21 appropriate positions, and make this bore a hole 213 bottoms and oil circuit 212 be connected, establish negative thread section 2131 in these 213 epimere portion tools of boring a hole again, in the perforation 213 mid-bodies of rod 214 that are provided with, make these body of rod 214 epimere portions form male threaded section 2141 again, for screwing togather mutually with 213 tool negative thread sections 2131 of perforation; This is arranged, when adjusting device 2 because of after with the passing of time using, cause sealing when its oil pressure of hydraulic oil of 22 of slide 21 and support columns is not enough, promptly rotatable this body of rod 214, by the setting of thread segment 2131,2141,, and then extrude that this is stored in hydraulic oil in slide 21 perforation 213 with the progressively down displacement of the fine setting body of rod 214, the oil pressure of whole hydraulic oil is increased gradually, to return back to the original pressure state of this hydraulic oil.

According to above-mentioned, by component element of the present utility model and implementation as can be known, the utility model and known structure are by contrast, the utility model not only can be kept the lining of movable die wall and the degree of aligning at slide bar center under general inactive state, when movable die wall in advancing between start, during via out-of-flatness place of board guide rail, also can its lining of maintenance activity die wall and the aligning of slide bar center; Again this, with guarantee this its lining of activity die wall unlikely with slide bar between produce and contact and to give birth to friction unusually and consume; In view of the above, increase the practicality of the utility model in service life and enforcement.

Claims

1. the movable die wall adjusting device of a Jet forming machine, be to be provided with adjusting device in the movable die wall bottom surface of Jet forming machine, it is characterized in that: this adjusting device has can be for the slide that slides on the board guide rail, and mask is established slotted eye on this slide, run through oil circuit in this slide appropriate position again, and this oil circuit and slotted eye are interconnected, the slotted eye perisporium ring tool oil sealing established of this slide tool again, be provided with a support column in the slotted eye, the tool room is established in this support column bottom, described support column top stays on movable die wall bottom surface, injects hydraulic oil in oil circuit.

2. the movable die wall adjusting device of Jet forming machine as claimed in claim 1 is characterized in that: in the built-in piston that is provided with of support column institute tool room, and its periphery of this piston pastes mutually with the room wall and touches.

3. the movable die wall adjusting device of Jet forming machine as claimed in claim 1, it is characterized in that: establish the tool perforation in the slide appropriate position, this perforation bottom and oil circuit are connected, establish the negative thread section in this perforation epimere portion tool again, again in the mid-body of rod that is provided with of perforation, this body of rod epimere portion forms male threaded section, and institute's tool negative thread section screws togather mutually with boring a hole.